Fix problem where a bare newline could cause xcatd to be confused

git-svn-id: https://svn.code.sf.net/p/xcat/code/xcat-core/branches/2.7@12424 8638fb3e-16cb-4fca-ae20-7b5d299a9bcd

xCAT-server/sbin/xcatd

@@ -1892,6 +1892,7 @@ sub relay_fds { #Relays file descriptors from pipes to children to the SSL socke
             close($rin);
          }
       }
+      chomp($clientintr);
       unless ($clientintr) {
          next;
       }